[alt-photo] Re: Re-acidifying papers with sparkling water?

[John Brewer]

Oxalic is fine for cyano but does have some health risks and in some parts
of the world can be expensive, (here for example!). Van Dyke prints don't
need acidifying.

J

-----Original Message-----
From: alt-photo-process-list-bounces at lists.altphotolist.org
[mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On Behalf Of
Paul Viapiano
Sent: 23 April 2010 23:08
To: The alternative photographic processes mailing list
Subject: [alt-photo] Re: Re-acidifying papers with sparkling water?

Of course I agree...

Then let me ask this...we know that oxalic acid neutralizes enough for pt/pd

printing. Does it not neutralize enough for cyano and van dyck...?

p




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